From nobody Thu Dec 18 13:19:10 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1530281949402703.4133112889679; Fri, 29 Jun 2018 07:19:09 -0700 (PDT) Received: from localhost ([::1]:42497 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYuEq-0002iD-J9 for importer@patchew.org; Fri, 29 Jun 2018 10:19:04 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49521) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYu6Q-0003sp-4d for qemu-devel@nongnu.org; Fri, 29 Jun 2018 10:10:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fYu6O-0003r9-Dx for qemu-devel@nongnu.org; Fri, 29 Jun 2018 10:10:21 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:51350 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fYu6K-0003jn-Qz; Fri, 29 Jun 2018 10:10:17 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7CF9840583DD; Fri, 29 Jun 2018 14:10:16 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-116-232.ams2.redhat.com [10.36.116.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id AD2311102E29; Fri, 29 Jun 2018 14:10:15 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Fri, 29 Jun 2018 16:09:42 +0200 Message-Id: <20180629140959.6690-13-kwolf@redhat.com> In-Reply-To: <20180629140959.6690-1-kwolf@redhat.com> References: <20180629140959.6690-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Fri, 29 Jun 2018 14:10:16 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Fri, 29 Jun 2018 14:10:16 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'kwolf@redhat.com' RCPT:'' Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PULL 12/29] qcow2: Remove dead check on !ret X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" From: Fam Zheng In the beginning of the function, we initialize the local variable to 0, and in the body of the function, we check the assigned values and exit the loop immediately. So here it can never be non-zero. Reported-by: Kevin Wolf Signed-off-by: Fam Zheng Reviewed-by: Stefan Hajnoczi Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Kevin Wolf --- block/qcow2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/qcow2.c b/block/qcow2.c index 4a0d92860d..2d190aa00b 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1772,7 +1772,7 @@ static coroutine_fn int qcow2_handle_l2meta(BlockDriv= erState *bs, while (l2meta !=3D NULL) { QCowL2Meta *next; =20 - if (!ret && link_l2) { + if (link_l2) { ret =3D qcow2_alloc_cluster_link_l2(bs, l2meta); if (ret) { goto out; --=20 2.13.6